Symptom Information: Sort according to HPO 

1
(HPO:0000992) Cutaneous photosensitivity Very frequent [Orphanet] 75 / 7739
2
(HPO:0001053) Hypopigmented skin patches Very frequent [Orphanet] 80 / 7739
3
(HPO:0005599) Hypopigmentation of hair Very frequent [Orphanet] 38 / 7739
4
(HPO:0001029) Poikiloderma Very frequent [Orphanet] 23 / 7739
5
(HPO:0002251) Aganglionic megacolon Occasional [Orphanet] 78 / 7739
6
(HPO:0001251) Ataxia 413 / 7739
7
(HPO:0002066) Gait ataxia Frequent [Orphanet] 327 / 7739
8
(HPO:0000407) Sensorineural hearing impairment Frequent [Orphanet] 524 / 7739
9
(HPO:0007400) Irregular hyperpigmentation Frequent [Orphanet] 72 / 7739
10
(HPO:0001249) Intellectual disability 1089 / 7739
11
(HPO:0000534) Abnormality of the eyebrow Frequent [Orphanet] 39 / 7739
12
(HPO:0001100) Heterochromia iridis Occasional [Orphanet] 31 / 7739
13
(HPO:0000365) Hearing impairment 539 / 7739
14
(HPO:0002211) White forelock 18 / 7739
15
(HPO:0007542) Absent pigmentation of the ventral chest 2 / 7739
16
(HPO:0008069) Neoplasm of the skin Occasional [Orphanet] 84 / 7739
17
(OMIM) Piebald trait 1 / 7739
18
(OMIM) Dorsal leukoderma 1 / 7739
19
(OMIM) Absent pigmentation of medial forehead, eyebrows and chin 2 / 7739
20
(OMIM) Absent pigmentation of ventral chest, abdomen and limbs 2 / 7739
21
(OMIM) Hyperpigmented borders of unpigmented areas 2 / 7739
22
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 949 / 7739
23
(HPO:0000606) Abnormality of the periorbital region Occasional [Orphanet] 96 / 7739
24
(MedDRA:10025421) Macule Frequent [Orphanet] 55 / 7739
25
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739